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Human on Asteroids by 2025?

Almost 50 years after President Kennedy proposed sending a man to the moon "before this decade is out," Obama has set an equally improbable goal. He has proposed a 2025 date for NASA to land humans on an asteroid, a ball of rock hurtling around the sun.

The moon is 240,000 miles away. A trip to an asteroid would be 5 million miles — at a minimum.

An asteroid trip "would really be our first step as a species outside the Earth-moon system," says planetary scientist Andy Rivkin of the Applied Physics Laboratory. "This would be taking off the training wheels."

Src: [ABCNews]

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